Being eager and being overzealous are different. I run my reports through WebCEO, used to use WPG, every other week. I also have it space out the time between queries. Between the roughly 30 clients I have, it takes about 3 hours to run all the reports. The results do not vary enough within one week to justify more queries.
Spread them out, keep to the essentials that will help the rankings grow and it makes those less frequent reports more rewarding. Think about it in a basketball game. When playing, you should be focused on the game and not checking the score every time you run up and down the court. Its easier to stay focused on the true task at hand.